Belt buckle



FIG. 1 is a perspective view of a belt buckle showing my new design, the broken line showing of a belt is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevation of the buckle;

FIG. 3 is a rear elevation of the buckle;

FIG. 4 is a bottom plan view of the buckle;

FIG. 5 is a top plan view of the buckle;

FIG. 6 is a right elevation of the buckle; and,

FIG. 7 is a left elevation of the buckle. 

The ornamental design for a belt buckle, as shown and described above. 